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Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird

Ingenieure, Forscher und Wissenschaftler aus allen Branchen nutzen die Multiphysik-Simulation, um innovative Produktdesigns und -prozesse zu erforschen und zu entwickeln. Lassen Sie sich von Fachbeiträgen und Vorträgen inspirieren, die sie auf der COMSOL Conference präsentiert haben. Durchsuchen Sie die untenstehende Auswahl, verwenden Sie die Schnellsuche, um eine bestimmte Präsentation zu finden, oder filtern Sie nach einem bestimmten Anwendungsbereich.

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Multiphysicsx

Multiphysics Simulation of a Self-heating Paraffin Membrane Microactuator

P. Lazarou[1], C. Rotinat[1]
[1]CEA LIST/DIASI/LRI, Paris, France

A grand variety of microactuator technologies and demonstrators has been introduced during the last years. Of particular interest are the microactuators based on phase change materials and especially paraffin wax, which can volumetrically expand up to 15%, providing high force actuation. ... Mehr lesen

Weak Formulations for Calculating Spin Wave Dispersion Relation in Magnonic Crystals

M. Mruczkiewicz[1]
[1]Adam Mickiewicz University, Poznan, Poland

We study the spin wave excitation (coherent precession of magnetic moments) in periodically arranged magnetic stripes, i.e., in one-dimensional magnonic crystal (MC). Two approaches have been implemented. We have defined a structure that dispersion relation can be obtained using both ... Mehr lesen

Air Damping of Oscillating MEMS Structures: Modeling and Comparison with Experiment

S. Gorelick[1], M. Leivo[1], U. Kantojärvi[1]
[1]VTT Technical Research Centre of Finland, Espoo, Finland

Excessive air damping can be detrimental to the performance of oscillating MEMS components. Complex systems, such as structures in pre-etched cavities or angular comb-drive scanning mirrors, typically require simulations to reliably evaluate the air damping. The simulated and ... Mehr lesen

Air Foil Bearings - A Modeling Approach

M. Bezemer-Krijnen[1], Y.H. Wijnant[1], A. de Boer[1]
[1]University of Twente, Enschede, The Netherlands

A first generation air foil bearing (AFB) is shown in Figure 1. AFBs induce, at higher rotating speeds, an air film between the journal and the top foil, which lowers the friction forces. The goal of this study is to develop a model of an AFB. The thickness of the air film depends on ... Mehr lesen

FSWR Microlith Performance Metrics Assessment

R. Cummings[1], J. Knox[1]
[1]NASA, Marshall Space Flight Center, Huntsville, AL, USA

COMSOL Multiphysics® has been used to develop assessment tools for the NASA-sponsored Precision Combustion, Inc. (PCI) regenerable Microlith®- based adsorber modules. The Full Scale Water Removal (FSWR) PCI Microlith® was initially modeled for comparison with exit velocity data, ... Mehr lesen

Design and Simulation of Unimorph Piezoelectric Energy Harvesting System

E. Varadarajan[1], M. Bhanusri[2],
[1]Research and Innovation Centre (RIC), IITM Research Park, Chennai, Tamil Nadu, India
[2]Department of Physics, Indian Institute of Technology (IIT) Madras, Chennai, Tamil Nadu, India

In this paper we made an attempt to maximize the power output in the different piezoelectric materials in a unimorph cantilever beam configuration. In this research, a macro scale unimorph piezoelectric power generator prototypes consists of an active piezoelectric layer, stainless steel ... Mehr lesen

Design and Analysis of a Wetting Lens for the Pinhole Cameras of a Two Phase Flow System

A. K. Reddy[1], T. Satyanarayana[1]
[1]Lakireddy Balireddy Autonomous College of Engineering, Mylavaram, A.P., India

The present work reports the fabrication process of micro lens for pinhole cameras, modeled using COMSOL Multiphysics®, by satisfying the wetting properties. Wetting is a change in contact angle between the liquid and solid surface area. The wetting properties are clearly understood in ... Mehr lesen

Modeling and Simulation of Drug Release Through Polymer Hydrogels

V. Runkana[1], S. Maheshwari[1], S. Cherlo[1], RSR Thavva[1]
[1]Tata Research Development and Design Centre, Tata Consultancy Services Ltd., Pune, Maharashtra, India

Polymer hydrogels are commonly used as carriers or vehicles for the controlled release of drugs, primarily because of their bio-compatibility and because rates of drug release can be controlled by manipulating polymer properties like molecular weight, cross linking ratio, etc. Drugs can ... Mehr lesen

Modeling and Simulation of the Rapid and Automated Measurement of Biofuel Blending in a Microfluidic Device under Pressure Driven Flow using COMSOL Multiphysics®

Sanket Goel[1], Venkateswaran PS[1], Rahul Prajesh[2], Ajay Agarwal[2]
[1]University of Petroleum & Energy Studies, Bidholi, Prem Nagar, Dehradun, India
[2]CSIR - Central Electronics Engineering Research Institute,(CSIR-CEERI) Pilani, India

• Real-time detection and monitoring of bio-fuel blend-ratio and adulterated automobile fuels by a reproducible micro-fabrication process in a cost-and-time efficient manner. • COMSOL Multiphysics® simulations and modelling of Viscosity based Laminar Flow inside a Y-shaped Micro ... Mehr lesen

Studying Magnetohydrodynamic Effects in Liquid Metal Flow Under Transverse Magnetic Field Using COMSOL Multiphysics®

S. Sahu[1], R. Bhattacharyay[1], E. Rajendrakumar[1]
[1]Institute for Plasma Research, Bhat, Gandhinagar, India

Liquid metals are foreseen as a multipurpose coolant in fusion blanket systems. However, the strongly magnetic environment of the fusion reactor hinders the regular flow of the liquid metal. It interacts with transverse magnetic field and produces a Lorentz force opposing the flow, ... Mehr lesen

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